Keen Men's
| US |
UK |
EU |
CM |
| 7 |
6 |
39.5 |
25 |
| 7.5 |
6.5 |
40 |
25.5 |
| 8 |
7 |
40.5 |
26 |
| 8.5 |
7.5 |
41 |
26.5 |
| 9 |
8 |
42 |
27 |
| 9.5 |
8.5 |
42.5 |
27.5 |
| 10 |
9 |
43 |
28 |
| 10.5 |
9.5 |
44 |
28.5 |
| 11 |
10 |
44.5 |
29 |
| 11.5 |
10.5 |
45 |
29.5 |
| 12 |
11 |
46 |
30 |
| 13 |
12 |
47 |
31 |
| 14 |
13 |
47.5 |
32 |
| 15 |
14 |
48 |
33 |
| 16 |
15 |
48.5 |
34 |
| 17 |
16 |
49 |
35 |
Keen Women's
| US |
UK |
EU |
CM |
| 5 |
2.5 |
35 |
22 |
| 5.5 |
3 |
35.5 |
22.5 |
| 6 |
3.5 |
36 |
23 |
| 6.5 |
4 |
37 |
23.5 |
| 7 |
4.5 |
37.5 |
24 |
| 7.5 |
5 |
38 |
24.5 |
| 8 |
5.5 |
38.5 |
25 |
| 8.5 |
6 |
39 |
25.5 |
| 9 |
6.5 |
39.5 |
26 |
| 9.5 |
7 |
40 |
26.5 |
| 10 |
7.5 |
40.5 |
27 |
| 10.5 |
8 |
41 |
27.5 |
| 11 |
8.5 |
42 |
28 |
| 12 |
9 |
43 |
29 |
Keen Toddlers' (4-7) / Kids' (8-13) / Youths' (1-6)
| US |
UK |
EU |
CM |
Inches |
| 4 |
3 |
21 |
11.7 |
4.60 |
| 5 |
4 |
22 |
12.6 |
4.96 |
| 6 |
5 |
23 |
13.4 |
5.27 |
| 7 |
6 |
24 |
14.3 |
5.63 |
| 8 |
7 |
25 |
15.1 |
5.94 |
| 9 |
8 |
26 |
16 |
6.30 |
| 10 |
9 |
28 |
16.8 |
6.61 |
| 11 |
10 |
29 |
17.7 |
6.97 |
| 12 |
11 |
30 |
18.5 |
7.28 |
| 13 |
12 |
31 |
19.4 |
7.63 |
| 1 |
13 |
33 |
20.2 |
7.95 |
| 2 |
1 |
34 |
21 |
8.27 |
| 3 |
2 |
35 |
21.9 |
8.62 |
| 4 |
3 |
37 |
22.7 |
8.94 |
| 5 |
4 |
38 |
23.6 |
9.29 |
| 6 |
5 |
39 |
24.4 |
9.60 |